- Goods & Not So Goods — “An overview of railway freight operations for modelers.” Author writes with an eye toward British N gauge. (✓ 2017-01-18)
- Lineside Industries — (✓ 2017-01-18)
- Oil Refineries, Petrol, and Fuel Oils — Excellent information about refineries, including modeling refineries. (✓ 2017-01-18)
- Sand & Gravel Pits — (✓ 2017-01-18)
- Lineside Industries — (✓ 2017-01-18)
- Tilt-up Construction: History and Uses — Bob Moore Construction. (✓ 2017-02-14)